余裕がある・空いている
The subway is uncrowded.
地下鉄は空いています
The subway is uncrowded because it is a holiday.
地下鉄は祝日なので、空いています
The subway is uncrowded this morning because it is a holiday.
地下鉄は祝日なので、今朝は空いています
The subway is uncrowded this morning even at rush hour because it is a holiday.
地下鉄は祝日なので、今朝は通勤時間なのに空いています
The subway is uncrowded this morning even at rush hour with few passengers, because it is a holiday.
地下鉄は祝日なので、今朝は通勤時間なのに乗客が少なくて空いています